AUS to BWI flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to Baltimore/Washington International Thurgood Marshall Airport · 1,342 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to Baltimore (BWI) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.6% were cancelled, and 6% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5am did best (99% on time); around 5pm did worst (40%).
- Tuesday was the most reliable day to fly (84% on time) and Monday the least (73%).
- The largest source of delay minutes was late-arriving aircraft (48%).
Which airline is most on time from AUS to BWI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 77% | 1.6% | 12 min | 5.6% | 1,287 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am99%364 flights
- 7am94%32 flights
- 8am85%71 flights
- 9am91%23 flights
- 10am71%24 flights
- 11am77%165 flights
- 12pm77%67 flights
- 2pm42%46 flights
- 3pm74%165 flights
- 4pm48%127 flights
- 5pm40%82 flights
- 6pm62%13 flights
- 7pm68%56 flights
- 8pm78%40 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%3.6% cancelled
- Tuesday84%1.1% cancelled
- Wednesday78%1.1% cancelled
- Thursday74%0.0% cancelled
- Friday77%1.0% cancelled
- Saturday79%0.7% cancelled
- Sunday74%3.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion18%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Air traffic control & airport congestion10%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
AUS to BWI: common questions
- How often are AUS to BWI flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Austin to Baltimore cancelled?
- 1.6% of scheduled flights were cancelled (20 of 1,287).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 49 min behind schedule on average, and 5.6% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to AUS — 78% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.